from typing import List, Dict, Tuple, Set
# 列表类型注解  
my_list: List[int] = [1, 2, 3]  
  
# 字典类型注解  
my_dict: Dict[str, int] = {"age": 30, "height": 180}  
  
# 元组类型注解  
my_tuple: Tuple[int, str, float] = (1, "hello", 3.14)  
  
# 集合类型注解  
my_set: Set[str] = {"apple", "banana", "cherry"}